75.1k views
20 votes
Use the factors from part A to find the zeros of f(x)=x2 +3x- 18.

1 Answer

8 votes

Answer:


x=-6, \: x=3

Explanation:


f(x)=x^2+3x-18\\\\0=x^2+3x-18\\\\0=(x+6)(x-3)


x+6=0\\\\x=-6


x-3=0\\\\x=3

Remember to separate the factors into 2 equations to get each individual root/solution by the Zero Product Property!

User Rafaperez
by
3.5k points